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Qianhe Big Head eBike Battery Lock 2PCS | Ignition Switch

$59.45 USD

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Color No connector With connector

2PCS Qianhe Big Head eBike Battery Lock & Ignition On/Off Key Switch

Replace worn, damaged, or missing battery locks with this 2-piece Qianhe Big Head eBike Battery Lock and Ignition On/Off Key Switch set.

Designed for compatible electric bicycles and lithium battery boxes, these locks can provide a convenient way to secure the battery while controlling the battery power connection on supported e-bike systems.

The Big Head Lock design is intended for compatible Qianhe-style lithium battery boxes and electric bicycle applications.

🔑 Key Features

2-Piece Set – Includes 2 battery lock/ignition switch units.
Qianhe Big Head Lock – Designed for compatible Qianhe-style battery systems.
Ignition On/Off Function – Provides an ignition-style power switching function on compatible systems.
eBike Battery Lock – Helps secure a removable lithium battery box.
Electric Bicycle Application – Designed for compatible electric bicycles and battery cases.
Replacement Part – Useful for replacing worn or damaged battery locks.
Lithium Battery Box Compatible – Intended for compatible lithium battery enclosure designs.

📋 Product Specifications

Specification	Details
Product Type	eBike Battery Lock / Ignition Switch
Design	Qianhe Big Head Lock
Function	Battery Lock + On/Off Key Switch
Application	Electric Bicycle / eBike
Battery Type	Compatible Lithium Battery Boxes
Quantity	2 Pieces
Lock Style	Big Head
Use	Replacement / Repair / Conversion
Keys	Verify with selected product configuration

🔧 Replacement Battery Lock

A damaged battery lock can make it difficult to properly secure or operate a removable e-bike battery.

This Qianhe-style Big Head lock is intended as a replacement component for compatible battery boxes and can be useful for:

Electric bicycle repairs
Battery box replacement
eBike conversion projects
Lithium battery enclosure repairs
Replacement ignition switches
DIY electric bicycle builds

⚠️ Check Compatibility Before Ordering

Battery locks and ignition switches are not universally interchangeable.

Before ordering, compare your existing lock with the product shown in the listing and verify:

Lock shape and head style
Mounting hole/opening
Overall dimensions
Key configuration
Number and type of electrical terminals
Wiring arrangement
Connector style
Battery box design
On/off switch requirements

Qianhe Big Head Lock compatibility should be confirmed before installation.

If your original lock has wires connected to it, take a photo and compare the wiring and terminal configuration before replacing it.

🔌 Electrical Safety

This product may function as both a mechanical battery lock and an electrical on/off switch depending on the compatible battery-box design.

Before installation:

Turn the e-bike completely off.
Remove the battery.
Disconnect the battery from the electrical system.
Verify the replacement switch's terminal configuration.
Match wiring and polarity according to the original system.
Secure all electrical connections before reinstalling the battery.
Test the switch before operating the bicycle.

Do not connect wires based solely on wire color. Verify the terminal configuration of your specific battery system.

📦 Package Includes

2 × Qianhe Big Head eBike Battery Lock / Ignition On-Off Key Switch

Keys and additional wiring/components should be verified against the selected product configuration before installation.

Frequently Asked Questions

What is a Qianhe Big Head Lock?

It is a specific style of battery lock commonly used with compatible lithium battery boxes. This listing is for the Big Head Lock style.

How many locks are included?

This listing is for 2 pieces.

Is this only a mechanical battery lock?

The product is described as an ignition on/off key switch and battery lock, so it may provide both locking and electrical switching functions on compatible systems.